Finding the Fourth Proportional to 345,258.12, 517,679.82 and 134,995.08
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Solution
The fourth proportional to 345,258.12, 517,679.82 and 134,995.08 is: 202,411.54
Step by Step Solution
- Step 1: Write the proportion equation
345,258.12 : 517,679.82 = 134,995.08 : x - Step 2: Convert to fraction form
345,258.12/517,679.82 = 134,995.08/x - Step 3: Cross multiply
345,258.12x = 517,679.82 × 134,995.08 - Step 4: Simplify right side
345,258.12x = 69,884,228,715.29 - Step 5: Solve for x
x = 69,884,228,715.29/345,258.12 - Step 6: Final answer
x = 202,411.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.